✨ create oauth login

Create authentication with oAuth using a third-party vendor. Currently, only GitHub is available, but more will be added
in the future.

src/modules/auth/providers/github.provider.ts

@@ -0,0 +1,10 @@
+import { GitHub } from "arctic";
+
+export const githubProvider = () => {
+  const redirectURI = `${process.env.APP_PROTOCOL}://${process.env.APP_DOMAIN}${process.env.GITHUB_CLIENT_CALLBACK}`;
+  return new GitHub(
+    process.env.GITHUB_CLIENT_ID!,
+    process.env.GITHUB_CLIENT_SECRET!,
+    redirectURI
+  );
+};